2024-2025 YAMAHA YZ250F Vortex ECU - This ECU comes with OUR custom maps. These are better than the BASE Vortex maps as they have been developed by us on the dyno and on the track. T4/PRO6/ETS 18-21 Options! Please let us know if you have questions about the maps or want something specific. There will NOT be an additional charge for this service. This Vortex ECU is pre-loaded with 10 "BASE" maps and includes detailed instructions and mapping guidelines. It's brand new in the box and all ECU's are shipped with original packaging. Custom maps available upon request. As one of the leading resellers of Vortex ECU's, we provide comprehensive support services including technical assistance, reprogramming, personalized mapping, and in-house dyno tuning by appt. Feel free to reach out with any questions you may have. Please contact us immediately and directly if you have any questions or trouble. Model Specific Features Improved bottom, end Power and throttle response Improved top end and over rev Power Power Ignition & Fuel Mapping Db assist to help meet Sound Regulations Traction - Start and Enduro maps for traction and throttle control Higher Rev Limits Advances Fuel Injection Timing for improved atomization and response Dual Injector Capable Multi- Function Port - for adding, Vortex Map Switch, 2nd Injector or Speed Shifter Advanced Launch Control Algorithms - tested by Pro Riders for maximum traction control Map Selection, Launch Control and DTC (Dynamic Traction Control) all activated using the standard Handlebar Switches Key Features Pre Programmed with 10 Performance Fuel & Ignition maps - all the work is done for you! Instant Plug in Performance (replaces standard ECU with no mods to wiring required) Fuel Trim Switches adjust fuel mapping by +12.5% to -10% in Lo , Mid and Hi throttle bands Adjustments require only a screwdriver and integrated switches provide visual feedback. Simple to install with mounting hardware supplied (where required) V-Boost - Programmable Voltage Boost Circuit for maximizing Spark Energy across the entire rev range Higher / Lower Rev Limit (where required) Robust design is fully encapsulated and O-ring sealed Diagnostic Flash codes - tests for sensor faults and flashes codes to OEM FI light Race Proven reliability Re Programmable (Software and Interface hardware not Included)